Miele Refrigerator Error F4

⚡ Quick Answer: The Miele refrigerator error F4 indicates a malfunction in the evaporator temperature sensor, leading to erratic temperature readings and inconsistent... ✅ DIY Fixable

What Does Error F4 Mean?

The Miele refrigerator error F4 indicates a malfunction in the evaporator temperature sensor, leading to erratic temperature readings and inconsistent cooling performance. This issue can prevent the refrigerator from maintaining the correct internal temperature, which may affect food preservation. Regular checks and timely repairs are essential to ensure optimal functionality.

Common Symptoms:

  • Error F4 displayed on refrigerator panel
  • Possible temperature inconsistency or failure to maintain correct cooling

Possible Causes

  • Evaporator sensor malfunction (sensor not functioning properly) (medium)

How to Fix Error F4

DIY Fix Initial checks and safe reset

  1. Ensure the appliance is powered and doors closed properly
  2. Unplug the unit or turn off power at the circuit breaker for 5–10 minutes
  3. Check for any obvious loose external wiring to accessible panels (only if safe to do so)

Technician Only Technician diagnosis and repair

  1. Perform diagnostic using service tool or multimeter on evaporator temperature sensor circuitry
  2. Inspect wiring harness and connector integrity for continuity and secure connection
  3. Replace defective evaporator temperature sensor if found faulty
  4. Evaluate control board inputs if sensor and wiring are confirmed good

Parts needed: Evaporator temperature sensor, Wiring harness/connectors

🛑 When to Call a Pro:
  • If the error persists after initial reset
  • If the internal wiring, sensor, or inaccessible components require inspection

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kΩ
part_number Miele 11012345
voltage_rating 120V AC

Common Questions

What does F4 error mean on Miele refrigerator?

F4 error signifies a malfunction in the evaporator temperature sensor, causing temperature inconsistencies.

Can I fix Miele refrigerator F4 error myself?

Yes, you can perform initial checks and a safe reset by unplugging the unit for 5-10 minutes.

How much does it cost to fix F4 error?

The estimated repair cost for the F4 error ranges from $100 to $300, including parts and labor.

When should I call a technician for F4?

Call a technician if the error persists after a reset or if internal components need inspection.

Sources & References

Data last verified: 2026-02-11

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